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Finding the Fourth Proportional to 5,279.80, 7,913.66 and 2,502.54

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Solution

The fourth proportional to 5,279.80, 7,913.66 and 2,502.54 is: 3,750.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,279.80 : 7,913.66 = 2,502.54 : x
  2. Step 2: Convert to fraction form
    5,279.80/7,913.66 = 2,502.54/x
  3. Step 3: Cross multiply
    5,279.80x = 7,913.66 × 2,502.54
  4. Step 4: Simplify right side
    5,279.80x = 19,804,256.95
  5. Step 5: Solve for x
    x = 19,804,256.95/5,279.80
  6. Step 6: Final answer
    x = 3,750.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.